[tor-relays] Encrypting the DataDir

[Cristian Consonni <cristian@xxxxxxxxx>]

On 15/05/2017 12:21, aeris wrote:
> Private key are under encrypted volume and may be protected

On 21/05/2017 10:02, Roger Dingledine wrote:
> On Sun, May 21, 2017 at 09:12:39AM +0200, Petrusko wrote:
>> @aeris, do they ask you to uncrypt the volume ? (good luck to you...)
>> What can be the best ? Uncrypt the relay to help police when asking,
>> when this relay is only a relay and storing nothing else ?
>
> That's actually why the torservers.net people suggest *not* using disk
> encryption. Having no barriers makes it much easier for the police to
> realize that there's nothing useful to them. See also point two of
>
https://blog.torproject.org/blog/trip-report-tor-trainings-dutch-and-belgian-police

From the Tor Exit Guidelines:
«Disk encryption might be useful to protect your node keys, but on the
other hand unencrypted machines are easier to "audit" if required. We
feel it's best to be able to easily show that you do Tor exiting, and
nothing else (on that IP or server).»
https://trac.torproject.org/projects/tor/wiki/doc/TorExitGuidelines

I was wondering if the argument about not encrypting the disk applies
just to the full-disk encryption or if it is applicable also to the caso
of encrypting just the DataDir on a fairly small file-based volume (say
100MB).

In the second case, how big can the DataDir get?

Cristian
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